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<h3>
Ben Gamari pushed to branch ghc-8.10
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f8f595152dbb9ba46896c43870e327724a2f8fdf">f8f59515</a></strong>
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<span>by toonn</span>
<i>at 2020-08-22T14:14:22+02:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix typos in Runtime system section of 8.10.1 notes
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1f8e98313f46414987c88d6cc8f8fe7e34fba1ff">1f8e9831</a></strong>
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<span>by toonn</span>
<i>at 2020-08-22T15:53:38+02:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix typos in Template Haskell section of ghc 8.10.1 notes
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<h4>1 changed file:</h4>
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<a href="#d6904e295957d55c64f4949aa3b54695dd57dd76">
docs/users_guide/8.10.1-notes.rst
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<h4>Changes:</h4>
<li id="d6904e295957d55c64f4949aa3b54695dd57dd76">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/82f15edc506cdf91c63c2351603c8f0fb0379914...1f8e98313f46414987c88d6cc8f8fe7e34fba1ff#d6904e295957d55c64f4949aa3b54695dd57dd76"><strong>docs/users_guide/8.10.1-notes.rst</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -281,13 +281,13 @@ Runtime system</td>
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<pre style="margin: 0;"> <span id="LC281" class="line" lang="plaintext">~~~~~~~~~~~~~~</span>
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="plaintext">- The runtime system linker now marks loaded code as non-writable (see</span>
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<pre style="margin: 0;">-<span id="LC284" class="line" lang="plaintext"> :ghc-ticket:`14069`) on all tier-1 platforms. This is neces<span class="idiff left right">a</span>ary for</span>
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<pre style="margin: 0;">+<span id="LC284" class="line" lang="plaintext"> :ghc-ticket:`14069`) on all tier-1 platforms. This is neces<span class="idiff left right">s</span>ary for</span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="plaintext"> out-of-the-box compatibility with OpenBSD and macOS Catalina (see</span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="plaintext"> :ghc-ticket:`17353`)</span>
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC288" class="line" lang="plaintext">- The RTS API now exposes :ref:`an interface <event_log_output_api>` to</span>
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<pre style="margin: 0;">-<span id="LC289" class="line" lang="plaintext"> configure ``EventLogWriters``, allowing eventlog data to <span class="idiff left right">fed to sinks other</span></span>
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<pre style="margin: 0;">-<span id="LC290" class="line" lang="plaintext"> than ``.eventlog`` files.</span>
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<pre style="margin: 0;">+<span id="LC289" class="line" lang="plaintext"> configure ``EventLogWriters``, allowing eventlog data to <span class="idiff left right">be fed to sinks</span></span>
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<pre style="margin: 0;">+<span id="LC290" class="line" lang="plaintext"> <span class="idiff left right">other </span>than ``.eventlog`` files.</span>
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<pre style="margin: 0;"> <span id="LC291" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC292" class="line" lang="plaintext">- A new ``+RTS`` flag ``--disable-delayed-os-memory-return`` was added to make</span>
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<pre style="margin: 0;"> <span id="LC293" class="line" lang="plaintext"> for accurate resident memory usage of the program as shown in memory</span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -298,9 +298,9 @@ Runtime system</td>
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<pre style="margin: 0;"> <span id="LC298" class="line" lang="plaintext"> Using this new flag is expected to make the program slightly slower.</span>
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<pre style="margin: 0;"> <span id="LC299" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC300" class="line" lang="plaintext"> Without this flag, the (Linux) RTS returns unused memory "lazily" to the OS.</span>
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<pre style="margin: 0;">-<span id="LC301" class="line" lang="plaintext"> This <span class="idiff left right">has making the memory available to other processes while also allowing</span></span>
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<pre style="margin: 0;">-<span id="LC302" class="line" lang="plaintext"> <span class="idiff left right">the RTS to re-use the memory very efficiently (without zeroing pages) in case</span></span>
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<pre style="margin: 0;">-<span id="LC303" class="line" lang="plaintext"> <span class="idiff left right">it </span>needs it again, but common tools will incorrectly show such memory as</span>
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<pre style="margin: 0;">+<span id="LC301" class="line" lang="plaintext"> This <span class="idiff left right">makes the memory available to other processes while also allowing the</span></span>
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<pre style="margin: 0;">+<span id="LC302" class="line" lang="plaintext"> <span class="idiff left right">RTS to re-use the memory very efficiently (without zeroing pages) in case it</span></span>
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<pre style="margin: 0;">+<span id="LC303" class="line" lang="plaintext"> needs it again, but common tools will incorrectly show such memory as</span>
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<pre style="margin: 0;"> <span id="LC304" class="line" lang="plaintext"> occupied by the RTS (because they do not process the ``LazyFree`` field in</span>
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<pre style="margin: 0;"> <span id="LC305" class="line" lang="plaintext"> ``/proc/PID/smaps``).</span>
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<pre style="margin: 0;"> <span id="LC306" class="line" lang="plaintext"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -308,7 +308,7 @@ Template Haskell</td>
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<pre style="margin: 0;"> <span id="LC308" class="line" lang="plaintext">~~~~~~~~~~~~~~~~</span>
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<pre style="margin: 0;"> <span id="LC309" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC310" class="line" lang="plaintext">- The ``Lift`` typeclass is now levity-polymorphic and has a ``liftTyped``</span>
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<pre style="margin: 0;">-<span id="LC311" class="line" lang="plaintext"> method. Previously disallowed instances for unboxed tuples, unboxed sums, an</span>
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<pre style="margin: 0;">+<span id="LC311" class="line" lang="plaintext"> method. Previously disallowed instances for unboxed tuples, unboxed sums, an<span class="idiff left right">d</span></span>
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<pre style="margin: 0;"> <span id="LC312" class="line" lang="plaintext"> primitive unboxed types have also been added. Finally, the code generated by</span>
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<pre style="margin: 0;"> <span id="LC313" class="line" lang="plaintext"> :extension:`DeriveLift` has been simplified to take advantage of expression</span>
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<pre style="margin: 0;"> <span id="LC314" class="line" lang="plaintext"> quotations.</span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -316,7 +316,7 @@ Template Haskell</td>
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<pre style="margin: 0;"> <span id="LC316" class="line" lang="plaintext">- Using ``TupleT 1``, ``TupE [exp]``, or ``TupP [pat]`` will now produce unary</span>
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<pre style="margin: 0;"> <span id="LC317" class="line" lang="plaintext"> tuples (i.e., involving the ``Unit`` type from ``GHC.Tuple``) instead of</span>
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<pre style="margin: 0;"> <span id="LC318" class="line" lang="plaintext"> silently dropping the parentheses. This brings Template Haskell's treatment</span>
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<pre style="margin: 0;">-<span id="LC319" class="line" lang="plaintext"> of boxed tuples in line with that of unboxed tuples, as ``UnboxedTupleT`,</span>
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<pre style="margin: 0;">+<span id="LC319" class="line" lang="plaintext"> of boxed tuples in line with that of unboxed tuples, as ``UnboxedTupleT`<span class="idiff left right">`</span>,</span>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="plaintext"> ``UnboxedTupE``, and ``UnboxedTupP`` also produce unary unboxed tuples</span>
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<pre style="margin: 0;"> <span id="LC321" class="line" lang="plaintext"> (i.e., ``Unit#``) when applied to only one argument.</span>
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<pre style="margin: 0;"> <span id="LC322" class="line" lang="plaintext"></span>
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